The 43.2 cm (17 inch) [341 x 273 mm] measurement refers to the size of the screen that our website sells screen protectors for. This size is commonly found in laptops, desktop monitors, and all-in-one computers. By providing screen protectors specifically designed for this size, we ensure that our customers can protect their devices from scratches, smudges, and other types of damage. Our range of screen protectors includes options for different types of screens, such as anti-glare and privacy filters, to cater to the diverse needs of our customers.